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Related Experiment Videos

An aqueous paracentesis pipet.

J O'Rourke1, D M Taylor, P McDonald

  • 1Vision-Immunology Center, University of Connecticut Health Center, Farmington 06030.

Ophthalmic Surgery
|March 1, 1991
PubMed
Summary

This study introduces a novel glass pipet with a 30-gauge needle for aqueous paracentesis. This design enhances sample collection speed and prevents needle bending during ophthalmic procedures.

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Area of Science:

  • Ophthalmology
  • Medical Devices
  • Surgical Instruments

Background:

  • Aqueous paracentesis is a critical procedure in ophthalmology.
  • Current methods may face challenges with needle bending and sample aspiration.
  • Efficient sample collection is vital for diagnostic accuracy.

Purpose of the Study:

  • To introduce and describe a novel glass pipet design for aqueous paracentesis.
  • To highlight the advantages of the new design in terms of needle integrity and sample recovery.
  • To present an improved tool for ophthalmic sample collection.

Main Methods:

  • A glass pipet with a 30-gauge needle tip was designed and fabricated.
  • The pipet incorporates a small plastic bulb for sample aspiration.
  • The design focuses on minimizing resistance during limbus penetration.

Main Results:

  • The novel pipet design prevents needle bending during limbus penetration.
  • Fractional resistance during penetration is minimized.
  • Quicker recovery of aqueous samples is achieved.
  • The plastic bulb facilitates efficient sample removal from the pipet.

Conclusions:

  • The described glass pipet offers a significant improvement for performing aqueous paracentesis.
  • This innovative design enhances procedural efficiency and sample integrity.
  • The tool is suitable for routine ophthalmic sample collection.

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